Thanks for checking into this quickly!
We don’t  use Jetty. We use Apache Tomcat/6.0.29. 
On the server that had the overflow, there were  3,111 directories created 
yesterday still there now.

-Fang

-----Original Message-----
From: Martin Grigorov [mailto:mgrigo...@apache.org] 
Sent: Thursday, December 01, 2011 10:59 AM
To: users@wicket.apache.org
Subject: Re: WicketFilter-filestore overflow

Everything seems to be OK.
I just tested it with Jetty 7.5

When a session expires this call is executed:
Daemon Thread [HashSessionScavenger-0] (Suspended (breakpoint at line
454 in DiskDataStore$SessionEntry))
        DiskDataStore$SessionEntry.unbind() line: 454   
        DiskDataStore.removeData(String) line: 166      
        AsynchronousDataStore.removeData(String) line: 209      
        DefaultPageStore.removePageData(String) line: 109       
        DefaultPageStore.unbind(String) line: 161       
        PageStoreManager.sessionExpired(String) line: 413       
        WicketApplication(Application).sessionUnbound(String) line: 478 
        WicketApplication(WebApplication).sessionUnbound(String) line: 509      
        
HttpSessionStore$SessionBindingListener.valueUnbound(HttpSessionBindingEvent)
line: 430
        
HashSessionManager$HashedSession(AbstractSessionManager$Session).unbindValue(String,
Object) line: 1246
        
HashSessionManager$HashedSession(AbstractSessionManager$Session).doInvalidate()
line: 1080
        
HashSessionManager$HashedSession(AbstractSessionManager$Session).timeout()
line: 1037
        HashSessionManager.scavenge() line: 318 
        HashSessionManager$2.run() line: 273    
        TimerThread.mainLoop() line: 512        
        TimerThread.run() line: 462     

and it deletes the folder with the session data.
You may try it with your application server

On Thu, Dec 1, 2011 at 7:25 PM, Martin Grigorov <mgrigo...@apache.org> wrote:
> Hm,
>
> Maybe there is a bug. That's easy to check.
> I will let you know soon.
>
> On Thu, Dec 1, 2011 at 6:56 PM, Fang Lin <fang...@u.washington.edu> wrote:
>> About two weeks after we deployed Wicket 1.5.3, we ran into a file system 
>> issue on one of our server.
>>
>> The following appeared in the application log on each page load:
>>
>> ERROR 29 08:01:57.665 Failed to create directory: 
>> /usr/local/tomcat/work/Catalina/localhost/_/WicketFilter-filestore/0A
>> 91844EB9E584DD7CA8C48AD558AB2D.myuw11 [o.a.w.u.f.Files] ERROR 29 
>> 08:01:57.666 
>> /usr/local/tomcat/work/Catalina/localhost/_/WicketFilter-filestore/0A
>> 91844EB9E584DD7CA8C48AD558AB2D.myuw11/data (No such file or 
>> directory) [o.a.w.p.DiskDataStore] java.io.FileNotFoundException: 
>> /usr/local/tomcat/work/Catalina/localhost/_/WicketFilter-filestore/0A
>> 91844EB9E584DD7CA8C48AD558AB2D.myuw11/data (No such file or 
>> directory)
>>        at java.io.RandomAccessFile.open(Native Method)
>>        at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212)
>>        at 
>> org.apache.wicket.pageStore.DiskDataStore$SessionEntry.getFileChannel
>> (DiskDataStore.java:410)
>>        at 
>> org.apache.wicket.pageStore.DiskDataStore$SessionEntry.savePage(DiskD
>> ataStore.java:328)
>>        at 
>> org.apache.wicket.pageStore.DiskDataStore.storeData(DiskDataStore.jav
>> a:176)
>>        at 
>> org.apache.wicket.pageStore.AsynchronousDataStore$PageSavingRunnable.
>> run(AsynchronousDataStore.java:356)
>>        at java.lang.Thread.run(Thread.java:662)
>> WARN 29 08:01:57.666 Cannot save page with id '0' because the data 
>> file cannot be opened.[o.a.w.p.DiskDataStore]
>>
>> There were total 129,852 sub-directories under 
>> /data/logs/tomcat/work/Catalina/localhost/_/WicketFilter-filestore/, named 
>> by session ID and host name.
>> Removed all the sub-directories, cleared the problem.  What concerns me now 
>> is that the ones created on previous days were not removed completely. 
>> Therefore the number of sub-directories is increasing every day.
>>
>> Our session-timeout is 60 minutes.
>>
>> Thanks,
>> Fang
>>
>>
>>
>>
>
>
>
> --
> Martin Grigorov
> jWeekend
> Training, Consulting, Development
> http://jWeekend.com
>



--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com

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